485 LM Integrated Battery Backup System
GARAGE DOOR ACCESSORIES
DETAILS
This integrated battery back up system keeps your garage door working even when the power goes out.
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ACCESSORY DETAILS
- For use with LiftMaster® models 8360 and 8550 garage door openers (included with openers) and model LM3850 (sold separately)
- Operates the garage door opener as if the power was still on (all safety and security features still operate)
- Standby Power System and opener are one logic board, resulting in better performance in Standby Power mode
- Improved Battery Recovery System